Android Open Source - android_monitor Sockets Collector

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License

The source code is released under:

GNU General Public License

Java Source Code

/*******************************************************************************
 * Copyright (C) 2014 MUSE team Inria Paris - Rocquencourt
 * // ww w  .  j  a  va2s  . c  o m
 * This file is part of UCNDataCollector.
 * 
 * UCNDataCollector is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * UCNDataCollector is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero Public License for more details.
 * 
 * You should have received a copy of the GNU Affero Public License
 * along with UCNDataCollector.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package fr.inria.ucn.collectors;

import java.util.Arrays;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import fr.inria.ucn.Constants;
import fr.inria.ucn.Helpers;

import android.content.Context;
import android.util.Log;

/**
 * List of open sockets and apps.
 * 
 * @author Anna-Kaisa Pietilainen <anna-kaisa.pietilainen@inria.fr>
 *
 */
public class SocketsCollector implements Collector {
  
  /**
   * 
   * @param c
   * @param ts
   */
  public void run(Context c, long ts) {
    try {      
      JSONObject data = new JSONObject();
      data.put("sockets", getSock(c));
      Helpers.sendResultObj(c,"sockets",ts,data);
    } catch (JSONException jex) {
      Log.w(Constants.LOGTAG, "failed to create json object",jex);
    }
  }

  private enum States {
    DUMMY,
      TCP_ESTABLISHED, /* == 1*/
      TCP_SYN_SENT,
      TCP_SYN_RECV,
      TCP_FIN_WAIT1,
      TCP_FIN_WAIT2,
      TCP_TIME_WAIT,
      TCP_CLOSE,
      TCP_CLOSE_WAIT,
      TCP_LAST_ACK,
      TCP_LISTEN,
      TCP_CLOSING,    /* Now a valid state */
      TCP_UNKNOWN,
      TCP_MAX_STATES;  /* Leave at the end! */
      
      private static States[] values = null;
      public static States fromInt(int v) {
        if (values == null)
          values = States.values();
        if (v >= values.length || v == 0)
          return States.TCP_UNKNOWN;
        return values[v];
      }
  };
  
  private JSONObject parseAddr(String s)  throws JSONException {
    String[] addr = s.split(":");
    JSONObject o = new JSONObject();
    o.put("port", Integer.parseInt(addr[1],16));
    o.put("raw_ip", addr[0]);
    
    String ip = "";
    for (int j = addr[0].length(); j > (addr[0].length()>8 ? 24 : 0); j-=2) {
      String sub = addr[0].substring(j-2, j);
      int num = Integer.parseInt(sub, 16);
      ip += num+".";
    }
    if (ip.length()>0) {
      ip = ip.substring(0, ip.length()-1);
      o.put("ipv4", ip);
    }
    return o;
  }
  
  /* Read sockets info from proc file system. */
  private JSONObject getSock(Context c) throws JSONException {
    JSONObject jo = new JSONObject();
    for (String s : Arrays.asList("tcp","udp","tcp6")) {
      JSONArray a = new JSONArray();
      
      List<String> lines = Helpers.readProc("/proc/net/"+s);
      for (int i = 1; i < lines.size(); i += 1) {
        String[] vals = lines.get(i).split("\\s+");
        if (vals.length < 7)
          continue;
        
        JSONObject o = new JSONObject();
        o.put("idx", Integer.parseInt(vals[0].replace(':', ' ').trim()));
        
        o.put("local_addr", parseAddr(vals[1].trim()));
        o.put("remote_addr", parseAddr(vals[2].trim()));
        
        States st = States.fromInt(Integer.parseInt(vals[3].trim(),16));
        o.put("status_code", st.ordinal());
        o.put("status_text", st.name());

        String[] q = vals[4].trim().split(":");
        o.put("tx_queue", Integer.parseInt(q[0],16));
        o.put("rx_queue", Integer.parseInt(q[1],16));
        
        int uid = Integer.parseInt(vals[7].replace(':', ' ').trim());
        o.put("uid", uid);
        o.put("packages", Helpers.getPackagesForUid(c, uid));
        
        a.put(o);
      }
      jo.put(s,a);
    }
    Log.d(Constants.LOGTAG, jo.toString(4));
    return jo;
  }
}

Java Source Code List

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